Hackers actively target Confluence flaws because it is a widely used collaboration and documentation platform, making it a valuable target for gaining unauthorized access to sensitive information or spreading malware.  Exploiting vulnerabilities in Confluence can lead to:-  Data breaches Data manipulation Disruption of business operations These things make it an attractive target for cybercriminals and malicious actors. Cybersecurity researchers at Rapid 7 recently identified that hackers actively exploit the zero-day flaw to deploy ransomware.

Source: GBHackers